If the person is so forward with this, isnt that a good filter (of sorts) to avoid a specific person who will judge you by such things rather than your character?
I've had this happen with people trying to figure out wealth based on very specific questions regarding where my parents live, etc -- I run the other way. Better to know sooner than later right?
Two of my best friends are Indian Americans, and our friendships were natural and formed around shared experiences together, character, etc. It is nice to form friendships on a blank slate.